Home / 119,790,187.20-179,685,280.80-65,370,628.80

Finding the Fourth Proportional to 119,790,187.20, 179,685,280.80 and 65,370,628.80

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Solution

The fourth proportional to 119,790,187.20, 179,685,280.80 and 65,370,628.80 is: 98,055,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790,187.20 : 179,685,280.80 = 65,370,628.80 : x
  2. Step 2: Convert to fraction form
    119,790,187.20/179,685,280.80 = 65,370,628.80/x
  3. Step 3: Cross multiply
    119,790,187.20x = 179,685,280.80 × 65,370,628.80
  4. Step 4: Simplify right side
    119,790,187.20x = 11,746,139,792,000,568
  5. Step 5: Solve for x
    x = 11,746,139,792,000,568/119,790,187.20
  6. Step 6: Final answer
    x = 98,055,943.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.